Matching Pairs ImmunityOnline version Broad by Dawn Forgione 1 Cellular immunity 2 Chemotaxis 3 Natural immunity - External 4 Factors that affect defense mechanisms 5 Nonspecific - second line of defense 6 Inflammatory reponse 7 Dilation of capillaries (hyperemia) 8 Humoral immunity 9 Natural / Nonspecific immunity 10 Formation of exudate 11 Capillary permeability increases (diapedesis) 12 Acquired immunity 13 Natural immunity 14 Natural immunity - Internal First line of defense against infection (external and internal) Redness, swelling, heat, pain Age, hormones, drugs/chemicals, malnutrition, fatigue/stress, genetic factors to increase blood flow to area Removal of foreign substances (antigens) by specialized cells (phagocytosis) Substances (antigens) in the blood are provided protection from microorganisms Inflammatory response Chemicals are released which cause phagocytic white cells to migrate to the area Structural barriers to keep infectious agents out of the body (skin, cilia, etc) Born with the ability to resist infections / normal bodily functions Requires exposure to a pathogen, recovery usually results in a lifelong immunity Stomach acid, mucus linings, tears, ear wax.. Allows white blood cells to leave the blood and travel to the injured area Derived from plasma, containing antibacterial substances, phagocytic cells, and any present antibiotics
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